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    • 812 rwhp BMW F82 M4 with VTT S55 GC turbos and JB4 + BEF tuning

      Another 800+ wheel horsepower S55 this time powered by VTT (Vargas Turbo Technologies) GC turbochargers. This is an F82 M4 that is using a JB4 stack meaning a BEF (back end flash) in concert with the BMS piggyback.


      Unfortunately, the full graph was not posted:


      The peak figures of 812 horsepower and 728 lb-ft of torque at the wheels sure are strong though.

      What else can we tell you? Not much. The motor specs (built? crank hub mods?) were not shared but it has upgraded cooling and intake mods.

      Edit, built motor:

      S55, forged internals from maximupsi,Vargas Turbo GC, Fuel It stg4,BMS WMI, CSF radiators, Paul Johnson Tune + L Power

      This article was originally published in forum thread: 812 rwhp BMW F82 M4 with VTT S55 GC turbos and JB4 + BEF tuning started by Sticky View original post
      Comments 2 Comments
      1. Weehe's Avatar
        Weehe -
        All details were posted on n54tech
        https://www.n54tech.com/forums/showthread.php?t=61032
      1. Sticky's Avatar
        Sticky -
        Better graphs:

        Click here to enlarge

        Click here to enlarge